* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(135deg, #020617, #0f172a);
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: system-ui, sans-serif;
  color: #e5e7eb;
}

.card {
  width: 100%;
  max-width: 380px;
  background: #020617;
  padding: 24px;
  border-radius: 18px;
  box-shadow: 0 0 40px rgba(0,0,0,.5);
}

h1 {
  text-align: center;
  font-size: 22px;
  margin-bottom: 10px;
}

h2 {
  text-align: center;
  margin: 20px 0 10px;
  font-size: 18px;
}

.blood {
  text-align: center;
  background: #7f1d1d;
  padding: 10px;
  border-radius: 10px;
  margin-bottom: 15px;
}

.contact {
  background: #020617;
  border: 1px solid #1e293b;
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 15px;
}

.contact p {
  margin: 0 0 8px;
  text-align: center;
}

.btn {
  display: block;
  text-decoration: none;
  text-align: center;
  padding: 12px;
  border-radius: 10px;
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 600;
}

.call {
  background: #1e40af;
  color: white;
}

.whatsapp {
  background: #16a34a;
  color: white;
}

footer {
  text-align: center;
  font-size: 12px;
  color: #94a3b8;
  margin-top: 10px;
}